Altered provides professional AI-driven voice transformation software: Altered Studio for media-grade speech-to-speech voice morphing, cloning and post-production, and Altered Real-Time Pro for low-latency voice changing in live voice & video calls.

All Voice Lab is an AI audio platform offering high-fidelity text-to-speech, voice cloning, voice changing, and video translation tools, plus an API and enterprise (MCP) options to integrate lifelike, emotionally expressive voices into creative and professional workflows.

SpeechPulse is a desktop voice-dictation and transcription app that provides real-time, offline speech recognition and transcription across applications, supports transcription/translation in 99 languages, audio file transcription with speaker diarization, subtitle generation, and AI-powered text templates for correction and summarization.

Speak AI is a platform for capturing, transcribing, analyzing, and deploying AI voice, video, and phone agents and white-label conversation applications. It provides meeting capture, automated transcription, themes and sentiment analysis, embeddable recorders, mobile apps, an integrations layer, and developer APIs to build branded voice-AI products.

Speechify is a cross-platform text-to-speech and AI voice cloning platform that lets users create high-quality synthetic voices from short voice samples, generate speech from text, and integrate via API for content creation, accessibility, and enterprise use.

Dubverse is a web-based AI platform for video localization and voice generation that provides AI video dubbing, realistic text-to-speech, and auto-generated subtitles, plus an API and developer tools to integrate lifelike voices into apps and workflows.

NiceVoice is a free web-based AI voice cloning tool that creates high-quality synthetic voices from 5–30 seconds of audio using neural networks. It offers a three-step workflow (upload sample, AI clone, generate & download), supports English and Chinese, and emphasizes speed, accuracy, and data encryption.

Dia TTS is an open-source, Apache-2.0 text-to-speech model designed for realistic multi-speaker dialogues with voice cloning, emotional control, and non-verbal sound generation.

RambleFix is an AI-enhanced voice-to-text productivity tool that transcribes spoken words into polished emails, articles, summaries, meeting minutes and action plans, aimed at professionals who prefer speaking their thoughts.

Bswan is a managed conversion infrastructure platform that uses AI voice and messaging funnels to activate new users, recover early churn, and increase lifetime value by running telephony, messaging, routing, tracking and continuous optimization for campaigns at scale.

LOVO (Genny) is an AI voice generation and video editing platform offering ultra-realistic text-to-speech, voice cloning, an online video editor, AI script writer and image generation — with 500+ voices in 100+ languages and an API for developers.

SigmaMind AI (sigma-ai) is a voice AI platform that creates deployable voice agents for call centers to handle outbound and inbound campaigns—lead generation, debt collection, appointment setting, and customer support—integrating with existing dialers and CCaaS stacks.

TalkForce AI provides AI-powered voice/call agents that automate customer service conversations—handling routine inquiries, bookings, cancellations, and outbound calls—while integrating with existing systems and handing off to humans when needed.